Aromatic ketone.

摘要

An aromatic ketone having the formula XArCOPhPhOH is made by contacting an ester of formula XArCOOPhPh, where
Ar is a divalent mono- or poly - aromatic group which may optionally be substituted;
Ph is para-phenylene; and
X is hydrogen or halogen or a nitro-, alkylsulphonyl-, arylsulphonyl-, alkylcarbonyl- or hydrocarbon group with a Friedel Crafts catalyst comprising one or more Lewis acids in an amount of at least 2.2 moles of such catalyst for each mole of the ester.